An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. A attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how Windows Subsystem for Linux handles objects in memory.
History

Wed, 19 Aug 2026 16:45:00 +0000

Type Values Removed Values Added
Description An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory, aka 'Windows Subsystem for Linux Information Disclosure Vulnerability'. An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. A attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how Windows Subsystem for Linux handles objects in memory.
Title Windows Subsystem for Linux Information Disclosure Vulnerability
First Time appeared Microsoft windows 10 1809
Microsoft windows 10 1909
Microsoft windows Server 1803
Microsoft windows Server 1903
Microsoft windows Server 1909
CPEs cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_1803:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 10 1809
Microsoft windows 10 1909
Microsoft windows Server 1803
Microsoft windows Server 1903
Microsoft windows Server 1909
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-19T16:33:54.913Z

Reserved: 2019-11-04T00:00:00.000Z

Link: CVE-2020-1075

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-05-21T23:15:13.197

Modified: 2026-08-19T17:17:13.880

Link: CVE-2020-1075

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.